SMCJ20A-E3/57T

Introduction

The SMCJ20A-E3/57T is a product belonging to the category of transient voltage suppressor diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMCJ20A-E3/57T.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-214AB (SMC), SMC (SMD)
• Essence: Provides overvoltage protection for sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 20V
• Clamping Voltage: 32.4V
• Peak Pulse Current: 38.6A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ20A-E3/57T typically has two pins, with the cathode connected to the marked side of the package and the anode connected to the unmarked side.

Functional Features

• Transient Voltage Suppression: Quickly responds to overvoltage events, diverting excess current away from sensitive components.
• Low Clamping Voltage: Limits the voltage across the protected circuit to prevent damage.
• High Surge Current Capability: Can handle large surges without degradation.

Advantages and Disadvantages

• Advantages:
  • Effective protection against voltage transients
  • Fast response time
  • Low clamping voltage
  • High surge current capability
• Disadvantages:
  • May require additional circuitry for comprehensive protection in complex systems
  • Limited to specific voltage ranges

Working Principles

The SMCJ20A-E3/57T operates by shunting excess current when a transient voltage event occurs, effectively limiting the voltage across the protected circuit. This is achieved through the use of avalanche breakdown.

Detailed Application Field Plans

The SMCJ20A-E3/57T is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ20A-E3/57T include: - P6SMB20A - 1.5SMC20A - SMBJ20A

In conclusion, the SMCJ20A-E3/57T is a vital component in protecting electronic circuits from voltage transients, offering fast response times, low clamping voltages, and high surge current capabilities. Its applications span across diverse industries, making it an essential part of modern electronic systems.

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